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mibaraman---I can see no reason a Yeti would not work on one. Black Wolf had a 2/3's I believe under his.
roche-the term....from a group hike/hang in the Big South Fork is where it was coined. I think it even had beginnings on a group hike/hang at Forney Creek in the Smokies a month earlier.
Another example, Hangout roched me into buying a Sawyer Squeeze Filter.
Usually works best with single syllable words

So Saturn roched its rings?
and are tidal forces the same as gravitational forces?
To me a tide is like the swing of those balls that swing together and the force is transmitted through all the balls until the end ball results in movement-so a resultant or reactionary force secondary to the primary....in Saturn's case the media is space versus the metal balls.....well honestly even reading your layman's term hurt deep inside my right brain

Now, I am not an astrophysicist. I'm just an interested amateur; the math is waaaaaay over my head.

That being said, tidal forces are what gravity does when a smaller body meets a larger body. The tides are the stretching and compressing of the smaller (and, to a lesser extent, the larger) body. When those tidal stresses exceed the bonding strength of whatever the body is made out of (or the gravitational attraction holding it together, depending on how large that body is), the smaller body is torn apart, making a debris cloud. Since the debris cloud is now moving at different velocities due to the different gravity applied to the different portions of it, it spreads out into a ring.

Sorry for the off-topic portion of this, but it kinda explains my terrible joke above...

Wikipedia does a better job of explaining it than I do. As soon as they come back up, it'd be worth a look if my explanation isn't quite up to the job.